1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testBug458838.js b/js/src/jit-test/tests/basic/testBug458838.js
new file mode 100644
index 0000000000..59b55a50c9
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testBug458838.js
@@ -0,0 +1,14 @@
+var escape;
+function testBug458838() {
+    var a = 1;
+    function g() {
+        var b = 0
+            for (var i = 0; i < 10; ++i) {
+                b += a;
+            }
+        return b;
+    }
+
+    return g();
+}
+assertEq(testBug458838(), 10);